Certification: | CCC, ISO9001, GB |
---|---|
Shell Material: | Stainless Steel |
Voltage Level: | Medium Voltage |
Installation: | Fixed |
Structure: | Withdrawable |
Current: | AC |
Samples: |
---|
Customization: |
---|
Suppliers with verified business licenses
Introducing the ZN83-24KV series VCB, a cutting-edge indoor switchgear designed by the brilliant minds at VACEM Co., Ltd. This remarkable creation is specifically tailored for 24KV power systems, making it an absolute game-changer in the industry.
One of the standout features of the ZN83-24KV series is its state-of-the-art modular spring operating mechanism. This ingenious mechanism not only guarantees unparalleled reliability but also boasts an impressively long service life. And the best part? It requires absolutely zero maintenance! Say goodbye to those pesky upkeep tasks and hello to a hassle-free experience.
But that's not all. The ZN83-24KV series vacuum circuit breaker is not just any ordinary piece of equipment. It's a versatile powerhouse that can serve as the ultimate protection and control unit for power equipment in industrial and mining enterprises. And here's the cherry on top: it thrives in even the harshest environments, effortlessly handling frequent operations and multiple disconnections caused by short-circuits.
So, if you're seeking a top-notch solution for your power system needs, look no further than the ZN83-24KV series VCB. With its exceptional performance and unmatched durability, it's the perfect choice for those who demand nothing but the best.
Item | Unit | Date | |||||
Rated voltage | kV | 24 | |||||
Rated frequency | Hz | 50 | |||||
Rated insulation level | 1min power frequency withstand voltage | pole to earth | kV | 65 | |||
phase | kV | 79 | |||||
lightning impulse withstand voltage | pole to earth | kV | 125 | ||||
phase | kV | 145 | |||||
Power frequency withstand voltage of secondary circuit | V | 2000 | |||||
Rated current | A | 630 | 630 | 1250 | 1250 | ||
1250 | 1250 | 1600 | 3150 | ||||
2000 | |||||||
Rated short-circuit breaking current | kA | 20 | 25 | 31.5 | |||
Rated short-time withstand current | kA | 20 | 25 | 31.5 | |||
Rated short circuit duration | s | ||||||
Rated peak withstand current | kA | 50 | 63 | 80 | |||
Rated short-circuit making current | kA | 50 | 63 | 80 | |||
Rated short-circuit current breaking time (classE2) | times | 30 | |||||
Rated single/back to back capacitor bank breaking current | A | 630/400 | |||||
Clearance between open contacts | mm | 12~14 | |||||
Contact stroke | mm | 3~5 | |||||
Allowable wear thickness of contact | mm | 3 | |||||
Average opening speed | m/s | 1.1~1.6 | |||||
Average closing speed | m/s | 0.6~1.1 | |||||
Contact closing bounce time | ms | ≤2 | |||||
Different phase of contact closing and opening | ms | ≤2 | |||||
Rebound amplitude of opening contact | mm | ≤2 | |||||
Opening time (rated voltage) | ms | 20~50 | |||||
Closing time (rated voltage) | ms | 30~70 | |||||
Mechanical life (M2) | times | 10,000(20,000) | |||||
Rated operating voltage | V | AC110/220 DC110/220 | |||||
Rated operation sequence | 0-0.3s-CO-180s-CO |
Suppliers with verified business licenses